<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org" >
<head lang="en">
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <title>xx</title>
</head>
<body>

<div style="ext-align: center">
    <h1>登录</h1>
    <form action="/doLogin" method="post">
        用户名:<input type="text" name="username"/><br/>
        密码：<input type="password" name="password"/><br/>
        <input type="submit"value="提交"/>
    </form>
</div>
</body>
</html><!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
</head>
<body>

<h1>无权限,你不配看</h1>
</body>
</html>